Home / 198,073.68-273,341.25-107,429.18

Finding the Fourth Proportional to 198,073.68, 273,341.25 and 107,429.18

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Solution

The fourth proportional to 198,073.68, 273,341.25 and 107,429.18 is: 148,252.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,073.68 : 273,341.25 = 107,429.18 : x
  2. Step 2: Convert to fraction form
    198,073.68/273,341.25 = 107,429.18/x
  3. Step 3: Cross multiply
    198,073.68x = 273,341.25 × 107,429.18
  4. Step 4: Simplify right side
    198,073.68x = 29,364,824,980.97
  5. Step 5: Solve for x
    x = 29,364,824,980.97/198,073.68
  6. Step 6: Final answer
    x = 148,252.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.